One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when to plant poppies is to consult the USDA zone info for Crookston.

Planting Calendar for Poppies

Frost tolerance for poppies:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Poppies are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant poppies in Crookston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant poppies and expect a good harvest is probably August. If you wait any later than that and your poppies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your poppies indoors.

Last Frost Date

The average date of last frost is May 15 in Crookston. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Crookston is not always accurate and the actual date of last frost changes from year to year. Half of the time in Crookston there is a last frost after May 15 so make sure that you are prepared to protect your poppies if you have a surprise late frost.

USDA Zone Info for Crookston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Crookston

You may be interested in your other planting guides for Crookston.